package com.ruoyi.common.utils;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import com.ruoyi.common.constant.HttpStatus;
import com.ruoyi.common.core.domain.model.LoginUser;
import com.ruoyi.common.exception.CustomException;

/**
 * 安全服务工具类
 * 
 * @author ruoyi
 */
public class SecurityUtils
{
    /**
     * 获取用户账户
     **/
    public static String getUsername()
    {
        try
        {
            return getLoginUser().getUsername();
        }
        catch (Exception e)
        {
            throw new CustomException("获取用户账户异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取用户
     **/
    public static LoginUser getLoginUser()
    {
        try
        {
            if(getAuthentication().getPrincipal()!=null&&getAuthentication().getPrincipal().equals("anonymousUser")){
                return new LoginUser();
            }else {
                return (LoginUser) getAuthentication().getPrincipal();
            }
        }
        catch (Exception e)
        {
            throw new CustomException("获取用户信息异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取Authentication
     */
    public static Authentication getAuthentication()
    {
        return SecurityContextHolder.getContext().getAuthentication();
    }

    /**
     * 生成BCryptPasswordEncoder密码
     *
     * @param password 密码
     * @return 加密字符串
     */
    public static String encryptPassword(String password)
    {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.encode(password);
    }

    /**
     * 判断密码是否相同
     *
     * @param rawPassword 真实密码
     * @param encodedPassword 加密后字符
     * @return 结果
     */
    public static boolean matchesPassword(String rawPassword, String encodedPassword)
    {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.matches(rawPassword, encodedPassword);
    }

    /**
     * 是否为管理员
     * 
     * @param userId 用户ID
     * @return 结果
     */
    public static boolean isAdmin(Integer userId)
    {
        return userId != null && 1 == userId;
    }

    public static Integer getCompanyId(){
        try
        {
            if(SecurityUtils.getLoginUser()!=null&&SecurityUtils.getLoginUser().getUser()!=null&&SecurityUtils.getLoginUser().getUser().getCompanyId()!=null){
                return SecurityUtils.getLoginUser().getUser().getCompanyId();
            }
            if(SecurityUtils.getLoginUser()!=null&&SecurityUtils.getLoginUser().getUser()==null){
                return null;
            }
            throw new Exception("登录异常,未授权");
        }
        catch (Exception e)
        {
            throw new CustomException("登录异常,未授权", HttpStatus.FORBIDDEN);
        }
    }
}
